The Story
Plant Bio
Agapanthus praecox 'Northern Star' is a clump-forming perennial known for its striking blue flowers and long flowering season.
This cultivar is noted for its compact habit and ability to bloom well in smaller garden spaces.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
36 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
7, 8, 9, 10
Water
Moderate
Humidity
Low to moderate
Lifespan
Perennial
Native To
South Africa
Toxicity
Toxic to pets if ingested
Bloom period
Mid-summer – Late summer
In flower about 2 months of the year
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds or divisions into well-draining soil in early spring.
- Mist cuttings regularly to maintain humidity and root in 6 weeks.
- Provide full sun for optimal flowering and growth.
- Water deeply once a week during dry spells.
- Apply a balanced fertilizer monthly during the growing season.
- Mulch around the plant to retain moisture and suppress weeds.
Pro Tip
Plant Agapanthus praecox in a sunny spot with well-draining soil for best results.
Keep It Thriving
Care Guide
Do
- Water regularly during dry periods 🌱
- Fertilize monthly in spring and summer
- Deadhead spent flowers to encourage more blooms
- Divide clumps every 3-4 years to maintain vigor
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t plant in poorly drained soil
- Refrain from pruning in late fall or winter
- Avoid fertilizing with high nitrogen in late season
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Fertilize | ||||||||||||
| Spring Cleanup | ||||||||||||
| Winter Prep |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
Northern Star African Lily questions
What zones can Northern Star African Lily grow in?
Northern Star African Lily is hardy in USDA Zones 7–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Northern Star African Lily deer resistant?
Yes — Northern Star African Lily is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Northern Star African Lily bloom?
Northern Star African Lily typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Northern Star African Lily need full sun?
Northern Star African Lily does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Northern Star African Lily drought tolerant?
Yes — once established (usually after the first full season), Northern Star African Lily handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Agapanthus to compare

Storm Cloud African Lily
Agapanthus praecox 'Storm Cloud'

Galaxy Blue Lily of the Nile
Agapanthus praecox 'Galaxy Blue'

Nigrescens African Lily
Agapanthus inapertus 'Nigrescens'

African Lily Lily of the Nile
Agapanthus africanus

Queen Mum Agapanthus
Agapanthus orientalis 'Queen Mum'

Galaxy White African Lily
Agapanthus praecox 'Galaxy White'
Keep exploring
Explore the genus
Hardy in your zone?
Grow Northern Star African Lily with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.













